Add ability to sort compare list

gui/itemStats.py

@@ -599,6 +599,13 @@ class ItemCompare(wx.Panel):
         self.PopulateList()
 
         self.toggleViewBtn.Bind(wx.EVT_TOGGLEBUTTON, self.ToggleViewMode)
+        self.Bind(wx.EVT_LIST_COL_CLICK, self.SortCompareCols)
+
+    def SortCompareCols(self,event):
+        self.Freeze()
+        self.paramList.ClearAll()
+        self.PopulateList(event.Column)
+        self.Thaw()
 
     def UpdateList(self):
         self.Freeze()
@@ -620,7 +627,26 @@ class ItemCompare(wx.Panel):
         for i, price in enumerate(prices):
             self.paramList.SetStringItem(i, len(self.attrs)+1, formatAmount(price.price, 3, 3, 9, currency=True))
 
-    def PopulateList(self):
+    def PopulateList(self, sort=None):
+        if sort:
+            if isinstance(sort, basestring):
+                # Do nothing to the string
+                pass
+            if not isinstance(sort, basestring):
+                try:
+                    # Remember to reduce by 1, because the attrs array
+                    # starts at 0 while the list has the item name as column 0.
+                    sort = str(self.attrs.keys()[sort - 1])
+                except IndexError:
+                    # Clicked on a column that's not part of our array (price most likely)
+                    sort = None
+            else:
+                sort = None
+        else:
+            sort = None
+
+        self.items = sorted(self.items,key=lambda x: x.attributes[sort].value if sort in x.attributes else None)
+
         self.paramList.InsertColumn(0, "Item")
         self.paramList.SetColumnWidth(0, 200)